make_series_id: Creates a unique ID for all uninterrupted series in a vector

In sumtxt/datatools: Functions I use a lot when working with data in R

Description

Creates a unique ID for all uninterrupted series in a vector

Usage

make_series_id(x, delta = 0)

Arguments

x	numeric vector to be used
delta	increment with default delta=0

Details

If x[t] = (x[t-1] + delta) then ID(x[t])=ID(x[t-1]) otherwise ID(x[t]) = ID(x[t-1]) + 1.

Value

an integer vector

Examples

 x <- c(0,1,1,1,2,2,1,3,1,0,0)
 y <- c(1998:2000,2005:2010)

 make_series_id(y, delta=1)
 make_series_id(x)

sumtxt/datatools documentation built on Jan. 3, 2021, 1:39 a.m.